Special powder mixing device for metallurgy

The utility model discloses a special powder mixing device for metallurgy, which comprises a base, two support frames are symmetrically arranged on the upper side of the base, a spherical stirring tank is arranged in the middle of the two support frames, a second rotating shaft is arranged in the spherical stirring tank, a plurality of support stirring rods are fixedly connected to the ring side of the second rotating shaft, and the support stirring rods are fixedly connected to the ring side of the second rotating shaft. An arc-shaped piece is fixedly connected to the end, away from the second rotating shaft, of the supporting stirring rod, a connecting block is fixedly connected to the right side of the spherical stirring tank, a first rotating shaft is fixedly connected to the side, away from the spherical stirring tank, of the connecting block, and a first motor is arranged at the end, penetrating through the supporting frame, of the first rotating shaft; and a second motor is arranged at the end, penetra